Files
virtual-kubelet/providers/vic/operations/pod_status.go

152 lines
3.8 KiB
Go

package operations
import (
"fmt"
"net"
"github.com/virtual-kubelet/virtual-kubelet/providers/vic/proxy"
"github.com/vmware/vic/lib/apiservers/portlayer/client"
"github.com/vmware/vic/pkg/trace"
"k8s.io/api/core/v1"
)
type PodStatus interface {
GetStatus(op trace.Operation, namespace string, name string, hostAddress string) (*v1.PodStatus, error)
}
type VicPodStatus struct {
client *client.PortLayer
isolationProxy proxy.IsolationProxy
}
type VicPodStatusError string
func (e VicPodStatusError) Error() string { return string(e) }
const (
PodStatusPortlayerClientError = VicPodStatusError("PodStatus called with an invalid portlayer client")
PodStatusIsolationProxyError = VicPodStatusError("PodStatus called with an invalid isolation proxy")
PodStatusInvalidPodIDError = VicPodStatusError("PodStatus called with invalid PodID")
PodStatusInvalidPodNameError = VicPodStatusError("PodStatus called with invalid PodName")
)
func NewPodStatus(client *client.PortLayer, isolationProxy proxy.IsolationProxy) (PodStatus, error) {
if client == nil {
return nil, PodStatusPortlayerClientError
} else if isolationProxy == nil {
return nil, PodStatusIsolationProxyError
}
return &VicPodStatus{
client: client,
isolationProxy: isolationProxy,
}, nil
}
// Gets pod status does not delete it
//
// arguments:
// op operation trace logger
// id pod id
// name pod name
// returns:
// error
func (v *VicPodStatus) GetStatus(op trace.Operation, id, name string, hostAddress string) (*v1.PodStatus, error) {
defer trace.End(trace.Begin(fmt.Sprintf("id(%s), name(%s)", id, name), op))
return v.getStatus(op, id, name, hostAddress)
}
func (v *VicPodStatus) getStatus(op trace.Operation, id, name string, hostAddress string) (*v1.PodStatus, error) {
defer trace.End(trace.Begin(fmt.Sprintf("id(%s), name(%s)", id, name), op))
// Start out with unknown
phase := v1.PodUnknown
podReady := v1.ConditionUnknown
podInitialized := v1.ConditionUnknown
podScheduled := v1.ConditionUnknown
// Get current state
state, err := v.isolationProxy.State(op, id, name)
if err == nil {
podScheduled = v1.ConditionTrue
switch state {
case "Starting":
// if we are starting let the user know they must use the force
phase = v1.PodPending
podInitialized = v1.ConditionFalse
podReady = v1.ConditionFalse
case "Running":
phase = v1.PodRunning
podInitialized = v1.ConditionTrue
podReady = v1.ConditionTrue
case "Stopping":
phase = v1.PodRunning
podReady = v1.ConditionFalse
podInitialized = v1.ConditionTrue
case "Stopped":
phase = v1.PodSucceeded
podReady = v1.ConditionFalse
podInitialized = v1.ConditionTrue
case "Removing":
phase = v1.PodSucceeded
podReady = v1.ConditionFalse
podInitialized = v1.ConditionTrue
case "Removed":
phase = v1.PodSucceeded
podReady = v1.ConditionFalse
podInitialized = v1.ConditionTrue
}
}
status := &v1.PodStatus{
Phase: phase,
Conditions: []v1.PodCondition{
{
Type: v1.PodInitialized,
Status: podInitialized,
},
{
Type: v1.PodReady,
Status: podReady,
},
{
Type: v1.PodScheduled,
Status: podScheduled,
},
},
}
addresses, err := v.getIPAddresses(op, id, name)
if err == nil && len(addresses) > 0 {
status.HostIP = hostAddress
status.PodIP = addresses[0]
} else {
status.HostIP = "0.0.0.0"
status.PodIP = "0.0.0.0"
}
return status, nil
}
func (v *VicPodStatus) getIPAddresses(op trace.Operation, id, name string) ([]string, error) {
defer trace.End(trace.Begin(id, op))
apAddresses, err := v.isolationProxy.EpAddresses(op, id, name)
if err != nil {
return nil, err
}
IPAddresses := make([]string, 0)
for _, epAddr := range apAddresses {
if epAddr != "" {
ip, _, err := net.ParseCIDR(epAddr)
if err == nil {
IPAddresses = append(IPAddresses, ip.String())
}
}
}
return IPAddresses, err
}